<template>
  <div class="cbox">
    <GrandSon></GrandSon>
  </div>
</template>

<script lang='ts'>
import {ref,reactive} from 'vue'
import GrandSon from './GrandSon.vue';
export default{
    setup() {
        return {};
    },
    components: { GrandSon }
}
</script>

<style lang='scss' scoped>
  .cbox{
    width: 400px;
    height: 300px;
    background-color: slateblue;
  }
</style>